package com.dao.impl;

import com.dao.BookDao;
import com.pojo.Book;
import com.service.UserService;
import com.sun.org.apache.xpath.internal.operations.Bool;
import org.apache.commons.dbutils.QueryRunner;

import java.util.List;

public class BookDaoImpl extends BaseDao implements BookDao {
    @Override
    public int addBook(Book book) {
        String sql="insert into t_book (name,price,author,sales,stock,img_path) values(?,?,?,?,?,?)";
        return update(sql,book.getName(),book.getPrice(),book.getAuthor(),book.getSales(),book.getStock(),book.getImgPath());
    }

    @Override
    public int deleteBookById(Integer id) {
        String sql="delete from t_book where id=?";
        return update(sql,id);
    }

    @Override
    public int updateBook(Book book) {
        String sql="update t_book set name=?,price=?,author=?,sales=?,stock=?,img_path=? where id=?";
        return update(sql,book.getName(),book.getPrice(),book.getAuthor(),book.getSales(),book.getStock(),book.getImgPath(),book.getId());
    }

    @Override
    public Book queryBookById(Integer id) {
        String sql="select * from t_book where id=?";
        return queryForOne(Book.class,sql,id);
    }

    @Override
    public List<Book> queryBooks() {
        String sql="select * from t_book";
        return queryForList(Book.class,sql);
    }

    @Override
    public Integer queryForPageTotalCount() {
        String sql="select count(*) from t_book";
        Number count = (Number) queryForSingleValue(sql);
        return count.intValue();
    }

    @Override
    public List<Book> queryForPageItems(int begin, int pageSize) {
        String sql="select id,name,author,price,sales,stock,img_path imgPath from t_book limit ?,?";
        return queryForList(Book.class,sql,begin,pageSize);
    }

    @Override
    public Integer queryForPageTotalCountByPrice(int min,int max) {
        String sql="select count(*) from t_book where price between ? and ?";
        Number count = (Number) queryForSingleValue(sql,min,max);
        return count.intValue();
    }

    @Override
    public List<Book> queryForPageItemsByPrice(int min, int max,int begin,int pageSize) {
        String sql="select id,name,author,price,sales,stock,img_path imgPath from t_book where price between ? and ? order by price limit ? , ?";
        return queryForList(Book.class,sql,min,max,begin,pageSize);
    }
}
